Dell XPS 12 (9Q33, Mid 2013) - Manual (Page 24)

Removing the I/O Board
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before Working Inside
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Prerequisites
1 Remove the base cover. See "Removing the Base Cover" on page 10.
2 Remove the battery. See "Removing the Battery" on page 13.
Procedure
1 Disconnect the speaker cable from the I/O board.
2 Using the pull tab, disconnect the I/O-board cable from the system board
and the I/O-board.
3 Remove the screws that secure the I/O board to the palm-rest assembly.
4 Lift the I/O board away from the palm-rest assembly.
1
3 4 2
1 I/O-board cable 2 I/O board
3 speakers cable 4 screws (2)
24 | Removing the I/O Board